cc7b0feccb3cb3eb36513b2119e33fe039440f263d049bc2721b214fc3fd4fa1

Analysis

max time kernel
3s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 02:43

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General

Target

cc7b0feccb3cb3eb36513b2119e33fe039440f263d049bc2721b214fc3fd4fa1.dll
Size

196KB
MD5

f79423c4e00fb1bc793f41396fdc98cf
SHA1

50dd1d5c95847796120ea0428519476fefd57433
SHA256

cc7b0feccb3cb3eb36513b2119e33fe039440f263d049bc2721b214fc3fd4fa1
SHA512

c75cc940d650f00af04d7767ea54dff95e50af75626299caca47d57c95d986972507afea22be3b8a4082151fcf83291970b2a7ca53d8107752d34b3f39ccb0ff
SSDEEP

1536:ALy66oS9lGy16e2P07rYIJUCBtTIFQ4pgGyaGV/9n5M6B81RufsE41yZ2jQ:GyWcn2P07rYIJUCBoq81y6Q

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{757A1AA2-FF86-47D8-85BF-4D899A822467}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cc7b0feccb3cb3eb36513b2119e33fe039440f263d049bc2721b214fc3fd4fa1.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{757A1AA2-FF86-47D8-85BF-4D899A822467}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\TypeLib\ = "{757A1AA8-FF86-47D8-85BF-4D899A822467}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cc7b0feccb3cb3eb36513b2119e33fe039440f263d049bc2721b214fc3fd4fa1.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{757A1AA2-FF86-47D8-85BF-4D899A822467}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{757A1AA8-FF86-47D8-85BF-4D899A822467}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{757A1AA1-FF86-47D8-85BF-4D899A822467}\TypeLib\ = "{757A1AA8-FF86-47D8-85BF-4D899A822467}"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1600	regsvr32.exe
1600	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 1600	1648	regsvr32.exe	28
PID 1648 wrote to memory of 1600	1648	regsvr32.exe	28
PID 1648 wrote to memory of 1600	1648	regsvr32.exe	28
PID 1648 wrote to memory of 1600	1648	regsvr32.exe	28
PID 1648 wrote to memory of 1600	1648	regsvr32.exe	28
PID 1648 wrote to memory of 1600	1648	regsvr32.exe	28
PID 1648 wrote to memory of 1600	1648	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cc7b0feccb3cb3eb36513b2119e33fe039440f263d049bc2721b214fc3fd4fa1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\cc7b0feccb3cb3eb36513b2119e33fe039440f263d049bc2721b214fc3fd4fa1.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1600

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1600-56-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

Filesize
8KB

Download
memory/1648-54-0x000007FEFBD41000-0x000007FEFBD43000-memory.dmp

Filesize
8KB

Download